/*!
 * Flash export buttons for Buttons and DataTables.
 * 2015 SpryMedia Ltd - datatables.net/license
 *
 * ZeroClipbaord - MIT license
 * Copyright (c) 2012 Joseph Huckaby
 */
layui.define("jquery", function(exports) {
  var jQuery = layui.jquery;
  (function(factory) {
    if(typeof define === 'function' && define.amd) {
      // AMD
      define(['jquery', 'datatables.net', 'datatables.net-buttons'], function($) {
        return factory($, window, document);
      });
    } else if(typeof exports === 'object') {
      // CommonJS
      module.exports = function(root, $) {
        if(!root) {
          root = window;
        }

        if(!$ || !$.fn.dataTable) {
          $ = require('datatables.net')(root, $).$;
        }

        if(!$.fn.dataTable.Buttons) {
          require('datatables.net-buttons')(root, $);
        }

        return factory($, root, root.document);
      };
    } else {
      // Browser
      factory(jQuery, window, document);
    }
  }(function($, window, document, undefined) {
    'use strict';
    var DataTable = $.fn.dataTable;

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * ZeroClipboard dependency
     */

    /*
     * ZeroClipboard 1.0.4 with modifications
     * Author: Joseph Huckaby
     * License: MIT
     *
     * Copyright (c) 2012 Joseph Huckaby
     */
    var ZeroClipboard_TableTools = {
      version: "1.0.4-TableTools2",
      clients: {}, // registered upload clients on page, indexed by id
      moviePath: '', // URL to movie
      nextId: 1, // ID of next movie

      $: function(thingy) {
        // simple DOM lookup utility function
        if(typeof(thingy) == 'string') {
          thingy = document.getElementById(thingy);
        }
        if(!thingy.addClass) {
          // extend element with a few useful methods
          thingy.hide = function() {
            this.style.display = 'none';
          };
          thingy.show = function() {
            this.style.display = '';
          };
          thingy.addClass = function(name) {
            this.removeClass(name);
            this.className += ' ' + name;
          };
          thingy.removeClass = function(name) {
            this.className = this.className.replace(new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');
          };
          thingy.hasClass = function(name) {
            return !!this.className.match(new RegExp("\\s*" + name + "\\s*"));
          };
        }
        return thingy;
      },

      setMoviePath: function(path) {
        // set path to ZeroClipboard.swf
        this.moviePath = path;
      },

      dispatch: function(id, eventName, args) {
        // receive event from flash movie, send to client
        var client = this.clients[id];
        if(client) {
          client.receiveEvent(eventName, args);
        }
      },

      register: function(id, client) {
        // register new client to receive events
        this.clients[id] = client;
      },

      getDOMObjectPosition: function(obj) {
        // get absolute coordinates for dom element
        var info = {
          left: 0,
          top: 0,
          width: obj.width ? obj.width : obj.offsetWidth,
          height: obj.height ? obj.height : obj.offsetHeight
        };

        if(obj.style.width !== "") {
          info.width = obj.style.width.replace("px", "");
        }

        if(obj.style.height !== "") {
          info.height = obj.style.height.replace("px", "");
        }

        while(obj) {
          info.left += obj.offsetLeft;
          info.top += obj.offsetTop;
          obj = obj.offsetParent;
        }

        return info;
      },

      Client: function(elem) {
        // constructor for new simple upload client
        this.handlers = {};

        // unique ID
        this.id = ZeroClipboard_TableTools.nextId++;
        this.movieId = 'ZeroClipboard_TableToolsMovie_' + this.id;

        // register client with singleton to receive flash events
        ZeroClipboard_TableTools.register(this.id, this);

        // create movie
        if(elem) {
          this.glue(elem);
        }
      }
    };

    ZeroClipboard_TableTools.Client.prototype = {

      id: 0, // unique ID for us
      ready: false, // whether movie is ready to receive events or not
      movie: null, // reference to movie object
      clipText: '', // text to copy to clipboard
      fileName: '', // default file save name
      action: 'copy', // action to perform
      handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
      cssEffects: true, // enable CSS mouse effects on dom container
      handlers: null, // user event handlers
      sized: false,

      glue: function(elem, title) {
        // glue to DOM element
        // elem can be ID or actual DOM element object
        this.domElement = ZeroClipboard_TableTools.$(elem);

        // float just above object, or zIndex 99 if dom element isn't set
        var zIndex = 99;
        if(this.domElement.style.zIndex) {
          zIndex = parseInt(this.domElement.style.zIndex, 10) + 1;
        }

        // find X/Y position of domElement
        var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);

        // create floating DIV above element
        this.div = document.createElement('div');
        var style = this.div.style;
        style.position = 'absolute';
        style.left = '0px';
        style.top = '0px';
        style.width = (box.width) + 'px';
        style.height = box.height + 'px';
        style.zIndex = zIndex;

        if(typeof title != "undefined" && title !== "") {
          this.div.title = title;
        }
        if(box.width !== 0 && box.height !== 0) {
          this.sized = true;
        }

        // style.backgroundColor = '#f00'; // debug
        if(this.domElement) {
          this.domElement.appendChild(this.div);
          this.div.innerHTML = this.getHTML(box.width, box.height).replace(/&/g, '&amp;');
        }
      },

      positionElement: function() {
        var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);
        var style = this.div.style;

        style.position = 'absolute';
        //style.left = (this.domElement.offsetLeft)+'px';
        //style.top = this.domElement.offsetTop+'px';
        style.width = box.width + 'px';
        style.height = box.height + 'px';

        if(box.width !== 0 && box.height !== 0) {
          this.sized = true;
        } else {
          return;
        }

        var flash = this.div.childNodes[0];
        flash.width = box.width;
        flash.height = box.height;
      },

      getHTML: function(width, height) {
        // return HTML for movie
        var html = '';
        var flashvars = 'id=' + this.id +
          '&width=' + width +
          '&height=' + height;

        if(navigator.userAgent.match(/MSIE/)) {
          // IE gets an OBJECT tag
          var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';
          html += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="' + protocol + 'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="' + width + '" height="' + height + '" id="' + this.movieId + '" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="' + ZeroClipboard_TableTools.moviePath + '" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="' + flashvars + '"/><param name="wmode" value="transparent"/></object>';
        } else {
          // all other browsers get an EMBED tag
          html += '<embed id="' + this.movieId + '" src="' + ZeroClipboard_TableTools.moviePath + '" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="' + width + '" height="' + height + '" name="' + this.movieId + '" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="' + flashvars + '" wmode="transparent" />';
        }
        return html;
      },

      hide: function() {
        // temporarily hide floater offscreen
        if(this.div) {
          this.div.style.left = '-2000px';
        }
      },

      show: function() {
        // show ourselves after a call to hide()
        this.reposition();
      },

      destroy: function() {
        // destroy control and floater
        var that = this;

        if(this.domElement && this.div) {
          $(this.div).remove();

          this.domElement = null;
          this.div = null;

          $.each(ZeroClipboard_TableTools.clients, function(id, client) {
            if(client === that) {
              delete ZeroClipboard_TableTools.clients[id];
            }
          });
        }
      },

      reposition: function(elem) {
        // reposition our floating div, optionally to new container
        // warning: container CANNOT change size, only position
        if(elem) {
          this.domElement = ZeroClipboard_TableTools.$(elem);
          if(!this.domElement) {
            this.hide();
          }
        }

        if(this.domElement && this.div) {
          var box = ZeroClipboard_TableTools.getDOMObjectPosition(this.domElement);
          var style = this.div.style;
          style.left = '' + box.left + 'px';
          style.top = '' + box.top + 'px';
        }
      },

      clearText: function() {
        // clear the text to be copy / saved
        this.clipText = '';
        if(this.ready) {
          this.movie.clearText();
        }
      },

      appendText: function(newText) {
        // append text to that which is to be copied / saved
        this.clipText += newText;
        if(this.ready) {
          this.movie.appendText(newText);
        }
      },

      setText: function(newText) {
        // set text to be copied to be copied / saved
        this.clipText = newText;
        if(this.ready) {
          this.movie.setText(newText);
        }
      },

      setFileName: function(newText) {
        // set the file name
        this.fileName = newText;
        if(this.ready) {
          this.movie.setFileName(newText);
        }
      },

      setAction: function(newText) {
        // set action (save or copy)
        this.action = newText;
        if(this.ready) {
          this.movie.setAction(newText);
        }
      },

      addEventListener: function(eventName, func) {
        // add user event listener for event
        // event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel
        eventName = eventName.toString().toLowerCase().replace(/^on/, '');
        if(!this.handlers[eventName]) {
          this.handlers[eventName] = [];
        }
        this.handlers[eventName].push(func);
      },

      setHandCursor: function(enabled) {
        // enable hand cursor (true), or default arrow cursor (false)
        this.handCursorEnabled = enabled;
        if(this.ready) {
          this.movie.setHandCursor(enabled);
        }
      },

      setCSSEffects: function(enabled) {
        // enable or disable CSS effects on DOM container
        this.cssEffects = !!enabled;
      },

      receiveEvent: function(eventName, args) {
        var self;

        // receive event from flash
        eventName = eventName.toString().toLowerCase().replace(/^on/, '');

        // special behavior for certain events
        switch(eventName) {
          case 'load':
            // movie claims it is ready, but in IE this isn't always the case...
            // bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function
            this.movie = document.getElementById(this.movieId);
            if(!this.movie) {
              self = this;
              setTimeout(function() {
                self.receiveEvent('load', null);
              }, 1);
              return;
            }

            // firefox on pc needs a "kick" in order to set these in certain cases
            if(!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {
              self = this;
              setTimeout(function() {
                self.receiveEvent('load', null);
              }, 100);
              this.ready = true;
              return;
            }

            this.ready = true;
            this.movie.clearText();
            this.movie.appendText(this.clipText);
            this.movie.setFileName(this.fileName);
            this.movie.setAction(this.action);
            this.movie.setHandCursor(this.handCursorEnabled);
            break;

          case 'mouseover':
            if(this.domElement && this.cssEffects) {
              //this.domElement.addClass('hover');
              if(this.recoverActive) {
                this.domElement.addClass('active');
              }
            }
            break;

          case 'mouseout':
            if(this.domElement && this.cssEffects) {
              this.recoverActive = false;
              if(this.domElement.hasClass('active')) {
                this.domElement.removeClass('active');
                this.recoverActive = true;
              }
              //this.domElement.removeClass('hover');
            }
            break;

          case 'mousedown':
            if(this.domElement && this.cssEffects) {
              this.domElement.addClass('active');
            }
            break;

          case 'mouseup':
            if(this.domElement && this.cssEffects) {
              this.domElement.removeClass('active');
              this.recoverActive = false;
            }
            break;
        } // switch eventName

        if(this.handlers[eventName]) {
          for(var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {
            var func = this.handlers[eventName][idx];

            if(typeof(func) == 'function') {
              // actual function reference
              func(this, args);
            } else if((typeof(func) == 'object') && (func.length == 2)) {
              // PHP style object + method, i.e. [myObject, 'myMethod']
              func[0][func[1]](this, args);
            } else if(typeof(func) == 'string') {
              // name of function
              window[func](this, args);
            }
          } // foreach event handler defined
        } // user defined handler for event
      }
    };

    ZeroClipboard_TableTools.hasFlash = function() {
      try {
        var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
        if(fo) {
          return true;
        }
      } catch(e) {
        if(
          navigator.mimeTypes &&
          navigator.mimeTypes['application/x-shockwave-flash'] !== undefined &&
          navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin
        ) {
          return true;
        }
      }

      return false;
    };

    // For the Flash binding to work, ZeroClipboard_TableTools must be on the global
    // object list
    window.ZeroClipboard_TableTools = ZeroClipboard_TableTools;

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * Local (private) functions
     */

    /**
     * If a Buttons instance is initlaised before it is placed into the DOM, Flash
     * won't be able to bind to it, so we need to wait until it is available, this
     * method abstracts that out.
     *
     * @param {ZeroClipboard} flash ZeroClipboard instance
     * @param {jQuery} node  Button
     */
    var _glue = function(flash, node) {
      var id = node.attr('id');

      if(node.parents('html').length) {
        flash.glue(node[0], '');
      } else {
        setTimeout(function() {
          _glue(flash, node);
        }, 500);
      }
    };

    /**
     * Get the file name for an exported file.
     *
     * @param {object}  config       Button configuration
     * @param {boolean} incExtension Include the file name extension
     */
    var _filename = function(config, incExtension) {
      // Backwards compatibility
      var filename = config.filename === '*' && config.title !== '*' && config.title !== undefined ?
        config.title :
        config.filename;

      if(filename.indexOf('*') !== -1) {
        filename = filename.replace('*', $('title').text());
      }

      // Strip characters which the OS will object to
      filename = filename.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");

      return incExtension === undefined || incExtension === true ?
        filename + config.extension :
        filename;
    };

    /**
     * Get the title for an exported file.
     *
     * @param {object}  config  Button configuration
     */
    var _title = function(config) {
      var title = config.title;

      return title.indexOf('*') !== -1 ?
        title.replace('*', $('title').text()) :
        title;
    };

    /**
     * Set the flash text. This has to be broken up into chunks as the Javascript /
     * Flash bridge has a size limit. There is no indication in the Flash
     * documentation what this is, and it probably depends upon the browser.
     * Experimentation shows that the point is around 50k when data starts to get
     * lost, so an 8K limit used here is safe.
     *
     * @param {ZeroClipboard} flash ZeroClipboard instance
     * @param {string}        data  Data to send to Flash
     */
    var _setText = function(flash, data) {
      var parts = data.match(/[\s\S]{1,8192}/g) || [];

      flash.clearText();
      for(var i = 0, len = parts.length; i < len; i++) {
        flash.appendText(parts[i]);
      }
    };

    /**
     * Get the newline character(s)
     *
     * @param {object}  config Button configuration
     * @return {string}        Newline character
     */
    var _newLine = function(config) {
      return config.newline ?
        config.newline :
        navigator.userAgent.match(/Windows/) ?
        '\r\n' :
        '\n';
    };

    /**
     * Combine the data from the `buttons.exportData` method into a string that
     * will be used in the export file.
     *
     * @param  {DataTable.Api} dt     DataTables API instance
     * @param  {object}        config Button configuration
     * @return {object}               The data to export
     */
    var _exportData = function(dt, config) {
      var newLine = _newLine(config);
      var data = dt.buttons.exportData(config.exportOptions);
      var boundary = config.fieldBoundary;
      var separator = config.fieldSeparator;
      var reBoundary = new RegExp(boundary, 'g');
      var escapeChar = config.escapeChar !== undefined ?
        config.escapeChar :
        '\\';
      var join = function(a) {
        var s = '';

        // If there is a field boundary, then we might need to escape it in
        // the source data
        for(var i = 0, ien = a.length; i < ien; i++) {
          if(i > 0) {
            s += separator;
          }

          s += boundary ?
            boundary + ('' + a[i]).replace(reBoundary, escapeChar + boundary) + boundary :
            a[i];
        }

        return s;
      };

      var header = config.header ? join(data.header) + newLine : '';
      var footer = config.footer ? newLine + join(data.footer) : '';
      var body = [];

      for(var i = 0, ien = data.body.length; i < ien; i++) {
        body.push(join(data.body[i]));
      }

      return {
        str: header + body.join(newLine) + footer,
        rows: body.length
      };
    };

    // Basic initialisation for the buttons is common between them
    var flashButton = {
      available: function() {
        return ZeroClipboard_TableTools.hasFlash();
      },

      init: function(dt, button, config) {
        // Insert the Flash movie
        ZeroClipboard_TableTools.moviePath = DataTable.Buttons.swfPath;
        var flash = new ZeroClipboard_TableTools.Client();

        flash.setHandCursor(true);
        flash.addEventListener('mouseDown', function(client) {
          config._fromFlash = true;
          dt.button(button[0]).trigger();
          config._fromFlash = false;
        });

        _glue(flash, button);

        config._flash = flash;
      },

      destroy: function(dt, button, config) {
        config._flash.destroy();
      },

      fieldSeparator: ',',

      fieldBoundary: '"',

      exportOptions: {},

      title: '*',

      filename: '*',

      extension: '.csv',

      header: true,

      footer: false
    };

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * DataTables options and methods
     */

    // Set the default SWF path
    DataTable.Buttons.swfPath = '//cdn.datatables.net/buttons/1.0.0/swf/flashExport.swf';

    // Method to allow Flash buttons to be resized when made visible - as they are
    // of zero height and width if initialised hidden
    DataTable.Api.register('buttons.resize()', function() {
      $.each(ZeroClipboard_TableTools.clients, function(i, client) {
        if(client.domElement !== undefined && client.domElement.parentNode) {
          client.positionElement();
        }
      });
    });

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * Button definitions
     */

    // Copy to clipboard
    DataTable.ext.buttons.copyFlash = $.extend({}, flashButton, {
      className: 'buttons-copy buttons-flash',

      text: function(dt) {
        return dt.i18n('buttons.copy', 'Copy');
      },

      action: function(e, dt, button, config) {
        // Check that the trigger did actually occur due to a Flash activation
        if(!config._fromFlash) {
          return;
        }

        var flash = config._flash;
        var data = _exportData(dt, config);

        flash.setAction('copy');
        _setText(flash, data.str);

        dt.buttons.info(
          dt.i18n('buttons.copyTitle', '复制到剪贴板'),
          dt.i18n('buttons.copyInfo', {
            _: '复制 %d 行到剪贴板',
            1: '复制了 1 行到剪贴板'
          }, data.rows),
          3000
        );
      },

      fieldSeparator: '\t',

      fieldBoundary: ''
    });

    // CSV save file
    DataTable.ext.buttons.csvFlash = $.extend({}, flashButton, {
      className: 'buttons-csv buttons-flash',

      text: function(dt) {
        return dt.i18n('buttons.csv', 'CSV');
      },

      action: function(e, dt, button, config) {
        // Set the text
        var flash = config._flash;
        var data = _exportData(dt, config);

        flash.setAction('csv');
        flash.setFileName(_filename(config));
        _setText(flash, data.str);
      },

      escapeChar: '"'
    });

    // Excel save file - this is really a CSV file using UTF-8 that Excel can read
    DataTable.ext.buttons.excelFlash = $.extend({}, flashButton, {
      className: 'buttons-excel buttons-flash',

      text: function(dt) {
        return dt.i18n('buttons.excel', 'Excel');
      },

      action: function(e, dt, button, config) {
        // Set the text
        var xml = '';
        var flash = config._flash;
        var data = dt.buttons.exportData(config.exportOptions);
        var addRow = function(row) {
          var cells = [];

          for(var i = 0, ien = row.length; i < ien; i++) {
            if(row[i] === null || row[i] === undefined) {
              row[i] = '';
            }

            cells.push(typeof row[i] === 'number' || (row[i].match && row[i].match(/^-?[0-9\.]+$/) && row[i].charAt(0) !== '0') ?
              '<c t="n"><v>' + row[i] + '</v></c>' :
              '<c t="inlineStr"><is><t>' + (!row[i].replace ?
                row[i] :
                row[i]
                .replace(/&(?!amp;)/g, '&amp;')
                .replace(/[\x00-\x1F\x7F-\x9F]/g, '')) + // remove control characters
              '</t></is></c>' // they are not valid in XML
            );
          }

          return '<row>' + cells.join('') + '</row>';
        };

        if(config.header) {
          xml += addRow(data.header);
        }

        for(var i = 0, ien = data.body.length; i < ien; i++) {
          xml += addRow(data.body[i]);
        }

        if(config.footer) {
          xml += addRow(data.footer);
        }

        flash.setAction('excel');
        flash.setFileName(_filename(config));
        _setText(flash, xml);
      },

      extension: '.xlsx'
    });

    // PDF export
    DataTable.ext.buttons.pdfFlash = $.extend({}, flashButton, {
      className: 'buttons-pdf buttons-flash',

      text: function(dt) {
        return dt.i18n('buttons.pdf', 'PDF');
      },

      action: function(e, dt, button, config) {
        // Set the text
        var flash = config._flash;
        var data = dt.buttons.exportData(config.exportOptions);
        var totalWidth = dt.table().node().offsetWidth;

        // Calculate the column width ratios for layout of the table in the PDF
        var ratios = dt.columns(config.columns).indexes().map(function(idx) {
          return dt.column(idx).header().offsetWidth / totalWidth;
        });

        flash.setAction('pdf');
        flash.setFileName(_title(config));

        _setText(flash, JSON.stringify({
          title: _filename(config, false),
          message: config.message,
          colWidth: ratios.toArray(),
          orientation: config.orientation,
          size: config.pageSize,
          header: config.header ? data.header : null,
          footer: config.footer ? data.footer : null,
          body: data.body
        }));
      },

      extension: '.pdf',

      orientation: 'portrait',

      pageSize: 'A4',

      message: '',

      newline: '\n'
    });

    return DataTable.Buttons;
  }));
  exports('datatableFlash');
  });